This kind of piece is really a theme and variations. Another common type of piece is the Prelude and Fugue, two movements. The first is free-form, often melodic like a short sonata, or constructed of chords; the second is made like a round, like Row, Row, Row Your Boat except WAY more complicated.
Borne [borne] as a boys' name has its root in Middle English, and Borne means stream. Borne is an alternate form of Bourne (Middle English): place name.
brought forth by birth. 2. possessing from birth the quality, circumstances, or character stated: a born musician; a born fool. 3. native to the locale stated; immigrated to the present place from the locale stated: a German-born scientist; a Chicago-born New Yorker. verb. 4. a past participle of bear1 .